kansas city chiefs linebacker javon belcher shot and killed the mother of his baby daughter, then drove to the team's practice facility and shot himself in front of his head coach and the team's general manager. on sunday, that shooting prompted this extraordinary moment from bob costas during halftime of nbc sunday night football game when he quoted sportswriter jason whitlock. >> in the coming days, javon belcher's actions and their possible connection to football will be analyzed. who knows, but here, wrote jason whitlock, is what i believe. if javon belcher didn't possess a gun, he and kasandra perkins would both be alive today. >> poignant words. what should this country do in response? joining me to debate what is certainly a matter of life and death to so many people is david copel, research director at the independence institute. on the other side is josh horowitz, executive director of the coalition to stop gun violence. welcome to you both. david, let me ask you, i suppose an obvious question, why did jovan belcher need a high powered hand gun? >> well, he didn't need any hand